Answer:
75
Step-by-step explanation:
3/8 are left
3/8 x 100 = 75
Answer:
>50
Step-by-step explanation:
It says there is at most 50 people so it'd be less than 50
Answer:
75 marks
Step-by-step explanation:
one question worth 3 marks
so 25×3=75
Answer: Relative risk of anxiety associated with coffee use is 5 times the anxiety associated with non coffee use.
Step-by-step explanation:
Since we have given that
Number of coffee drinkers = 10000
Number of whom developed anxiety = 500
Number of non coffee drinkers = 20000
Number of whom developed anxiety = 200
So, probability of getting anxiety from coffee drinkers = 
Probability of getting anxiety from non coffee drinkers = 
so, Relative risk of anxiety associated with coffee use is given by

Hence, Relative risk of anxiety associated with coffee use is 5 times the anxiety associated with non coffee use.